2511945

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 4665600

約数和(自身を除く): 2153655

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 809, 1035, 2427, 3105, 4045, 7281, 12135, 18607, 21843, 36405, 55821, 93035, 109215, 167463, 279105, 502389, 837315, 2511945]

約数ペア:

[(1, 2511945), (3, 837315), (5, 502389), (9, 279105), (15, 167463), (23, 109215), (27, 93035), (45, 55821), (69, 36405), (115, 21843), (135, 18607), (207, 12135), (345, 7281), (621, 4045), (809, 3105), (1035, 2427)]